1101366689 has 2 divisors, whose sum is σ = 1101366690. Its totient is φ = 1101366688.

The previous prime is 1101366677. The next prime is 1101366779. The reversal of 1101366689 is 9866631011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769507600 + 331859089 = 27740^2 + 18217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101366689 - 2¹² = 1101362593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101366619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550683344 + 550683345.

It is an arithmetic number, because the mean of its divisors is an integer number (550683345).

Almost surely, 2^1101366689 is an apocalyptic number.

It is an amenable number.

1101366689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101366689 is an equidigital number, since it uses as much as digits as its factorization.

1101366689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1101366689 is about 33186.8451197157. The cubic root of 1101366689 is about 1032.7074554561.

The spelling of 1101366689 in words is "one billion, one hundred one million, three hundred sixty-six thousand, six hundred eighty-nine".